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6.2 Adding and Subtracting Rational Numbers Remember to Silence Your Cell Phone and Put It In Your Bag!

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Presentation on theme: "6.2 Adding and Subtracting Rational Numbers Remember to Silence Your Cell Phone and Put It In Your Bag!"— Presentation transcript:

1 6.2 Adding and Subtracting Rational Numbers Remember to Silence Your Cell Phone and Put It In Your Bag!

2 Modeling Addition and Subtraction of Rational Numbers Physical objects Paper Folding Fraction Strips Tangrams Pattern Blocks Cuisenaire Rods

3 Procedures for Adding and Subtracting Rational Numbers

4 Working with Mixed Numbers Mixed Number Improper Fraction Be able to add and subtract fractions using a mixed number format

5 Definition of Rational Number Subtraction iff is the unique rational number such that

6 Properties of Rational Number Addition Closure Identity Commutative Associative Inverse

7 Computational Estimation Strategies Rounding Front-end Compatible Numbers Clustering

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